Alencáster, Gloria, and Javier Aguilar Aguilar-Pérez. “Jalpania Queretana, a New Rudist (Bivalvia-Hippuritacea) from the Mid-Cretaceous of Central Mexico”. Revista Mexicana De Ciencias Geológicas, vol. 12, no. 2, Jan. 2019, pp. 117-22, https://www.rmcg.unam.mx/index.php/rmcg/article/view/1167.